The principle
Separation and siting are everything. Solids and urine kept apart, every unit at least 10–15 m from any water source, vent stacks that actually draw. Volunteer induction before first use, always.
Materials
- Buckets/IBC top
- wooden frame
- sawdust
- urine pipe
- hinged seat
- vent stack
Tools
- Saw
- hammer
- drill
- wrench
- hose clamp
Reclaimed from
IBC lids + timber offcuts + old hinges + piping scraps